Display screen or a portion thereof with graphical user interface



The FIGURE is an image of a display screen or a portion thereof with graphical user interface.

The outermost broken line showing the display screen and all other broken lines showing text and portions of the animated graphical user interface are included for the purpose of illustrating portions of the article and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or a portion thereof with graphical user interface, as shown and described. 